300 Below, Inc.
A. Finkl & Sons Co.
A.A. Bochvar All-Russian Inorganic Materials Research Institute
Abe Toshiharu
Abumiya Tadasu
Acciai Speciali S.p.A.
Accra Teknik AB
Ackerman Douglas Warren
Adams Roy E.
Adler Philip N.
Advanced Materials and Technologies, afgekort "A.M.T.", naamloze
Advanced Steel Technology LLC
Ahn Yeon Sang
Aigner Herbert
Akagi Nobuhiko
Akers Ronald R.
Akiba Etsuo
Aktuganova Elena Nikolaevna
Aldaichelin GmbH
All Russian Institute of Aviation Materials VIAM